body{
    background: #f2f2f2;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
    color: #3b97b7;
}
input{
    outline:none;
}
.clearfix:after{
    content: "";
    display: block;
    clear: both;
}
.form{
    width: 500px;
    height: 555px;
    background: #fff;
    margin: 80px auto;
}
.form h2{
    padding-top: 32px;
    font-size: 30px;
    text-align: center;
    border-bottom: 1px solid #ddd;
    height: 22px;
    margin-bottom: 60px;
}
.form h2 span{
    background-color: #fff;
    padding: 0 20px;
}
.form-area{
    width: 423px;
    margin: 0 auto;
}
input[type="text"], input[type="password"]{
    border: 1px solid #97a1b7;
    width: 100%;
    box-sizing: border-box;
    border-radius: 4px;
    height: 40px;
    text-indent: 1em;
    font-size: 14px;
    color: #606266;
    font-family: "PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif"
}
input[type="text"]:hover, input[type="password"]:hover{
    border-color: #c0c4cc;
}
input[type="text"]::placeholder, input[type="password"]::placeholder{
    color: #ccc;
}
input[type="text"]:focus, input[type="password"]:focus{
    border-color: lightblue;
}
.form-area .form-item{
    margin: 40px 0;
    position: relative;
}
.form-area .select .select-item, .form-area .select .input{
    float: left;
    height: 40px;
}
.form-area .select .select-item{
    width: 140px;
    border: 1px solid #97a1b7;
    border-radius: 4px 0 0 4px;
    border-right: none;
    box-sizing: border-box;
    position: relative;
}
.form-area .select .input input{
    width: 283px; /*总宽度-左边的宽度*/
    border-radius: 0 4px 4px 0;
}
.form-area .select .select-item .title{
    height: 40px;
    line-height: 40px;
    padding: 0 20px;
    color: #909399;
    cursor: pointer;
}
.form-area .select .select-item ul{
    max-height: 250px;
    overflow: auto; /*溢出有滚动条*/
    background: #fff;
    position: absolute;
    z-index: 1;
    left: 0;
    top: 50px;
    width: 100%;
    border: 1px solid #dcdfe6;
    box-sizing: border-box;
    color: #606266;
    padding: 10px 0;
    font-size: 14px;
    /*display: none;*/
}
.form-area .select .select-item ul li{
    height: 34px;
    line-height: 34px;
    padding: 0 20px;
    cursor: pointer;
}
.form-area .select .select-item ul li:hover{
    background: #f5f7fa;
}
.form-area .select .select-item ul li.active{
    color: #00a1d6;
    font-weight: bold;
}
button{
    height: 40px;
    background: #3b97b7;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    color: #fff;
    border: none;
    outline: none;
}
button:hover{
    background: #33b4de;
}
.form-area .form-item .btn-sncode{
    width: 130px;
    height: 39px;
    position: absolute;
    top: 1px;
    right: 0px;
    border-radius: 0 4px 4px 0;
}
.form-area .readme{
    margin: -26px 0;
    font-size: 13px;
}
.form-area .readme .checkbox{
    display: none;
}
.check{
    width: 18px;
    height: 21px;
    display: inline-block;
    background: url(../imgs/nochecked.png) no-repeat;
    vertical-align: middle;
}
input:checked+.check {
    width: 18px;
    height: 21px;
    display: inline-block;
    background: url(../imgs/checked.png) no-repeat;
    vertical-align: middle;
}
.form-area .readme input{
    display: none;
}
.form-area .form-item .fill{
    width: 100%;
    box-sizing: border-box;
}
.form-area .ttright{
    text-align: right;
}
.form-area .form-item .error{
    position: absolute;
    width: 80px;
    right: -1px;
    top: 12px;
    bottom: 10px;
    color: #f45d90;
    font-size: 13px;
    display: none;
}
button:disabled{
    background: #f5f5f5;
    border-color: #d9d9d9;
    color: rgba(0,0,0,.25);
    box-sizing: border-box;
    cursor: not-allowed;
}